Reference design for a battery charger module reference design appropriate for 2-cell battery functions with a large DC enter.
Li-Ion cells are required in nearly all transportable wi-fi electronics, be it an electrical toothbrush or a weighing scale. However Li-Ion cell are extremely unstable and may catch fireplace if its not monitored fastidiously, particularly through the time of charging and discharging. So, to reinforce the security of the machine, Texas Devices have launched PMP4397, a battery charger module reference design appropriate for 2-cell battery functions with a DC enter of 4.5V – 15V.
The battery charger reference design from TI is appropriate for charging 1S – 3s cell configuration. The charging configuration will be modified by altering the reference resistor. This reference design is configured for a 2-cell software which is appropriate for charging 2s cell having a voltage of 8.4V.
The mind of this reference design is BQ24133 IC. It’s a standalone extremely built-in Li-Ion and Li-Polymer switched-mode battery charger with two built-in N-channel energy MOSFETs. The BQ24133 costs one, two, or three cells (chosen by CELL pin) at a set 4.2 V/cell. The reference design costs the battery in three phases: preconditioning, fixed present, and fixed voltage. The security options of the reference design embrace thermal shutdown, cycle-by-cycle present restrict, adjustable enter overvoltage safety, and so on.
Options of the reference design:
• Absolutely examined to adjust to the commercial requirement (EN55022 CLASS B)
• Single chip for battery cost & outputs
• Safety contains the Enter UVP, Enter OVP, output OCP and OTP
• Versatile configuration of output necessities by setting resistors
• Good thermal efficiency with a low element depend
• Small dimensions: 33mm x 50mm x 10mm
The reference design has been examined by TI to adjust to the commercial requirement, the corporate has made the take a look at experiences public and has supplied BoM, schematics, Gerber recordsdata, CAD/CAE recordsdata, and so on. to simplify the design. To learn extra about this reference design or to obtain the above-mentioned sources, open this hyperlink
